Finding the Fourth Proportional to 30,579,240.08, 45,836,974.20 and 12,395,987.48
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Solution
The fourth proportional to 30,579,240.08, 45,836,974.20 and 12,395,987.48 is: 18,581,055.54
Step by Step Solution
- Step 1: Write the proportion equation
30,579,240.08 : 45,836,974.20 = 12,395,987.48 : x - Step 2: Convert to fraction form
30,579,240.08/45,836,974.20 = 12,395,987.48/x - Step 3: Cross multiply
30,579,240.08x = 45,836,974.20 × 12,395,987.48 - Step 4: Simplify right side
30,579,240.08x = 568,194,558,304,283.12 - Step 5: Solve for x
x = 568,194,558,304,283.12/30,579,240.08 - Step 6: Final answer
x = 18,581,055.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.